The "crypto couple" pleaded guilty to money laundering conspiracies in federal court on Thursday.
The couple was accused of conspiring to launder 119,764 stolen bitcoin worth $4.5 billion.
Lichtenstein pleaded guilty to conspiracy to commit money laundering, and Morgan pleaded guilty to one count of money-laundering conspiracy and one count of conspiracy to defraud the United States.
Prosecutors said Lichtenstein and Morgan conspired to launder 119,764 bitcoin stolen from Bitfinex, though the couple were not initially accused of carrying out the hack itself.
The stolen bitcoin was worth $71 million at the time before skyrocketing in value in the subsequent years.
Persons:
Ilya Lichtenstein, Heather Morgan, Lichtenstein, Morgan, Both Lichtenstein, Prosecutors
Organizations:
Morning, CNBC, Department of Justice, Authorities, Prosecutors
Locations:
Russian, American, United States, Manhattan, Russia